Internal-combustion engine.



PATENTBD JAN. 9, 1966 H.- O. HOLLOWAY. INTERNAL COMBUSTION ENGINE.

APPLIOATIOO FILED FEBJS, 1905v any marrestra'rns arana oriuon.

HENRY C. HOLLOWAY, OF GILROY, CALIFORNIA, ASSIGNOR OF ONE-. HALF TO WILLIAM DE HART, OF \VATlSONVlLLlJ, CALIFORNIA.

' inrennnl-oowieusrion ENGINE.

are. 809,614.

$pecification of Letters Patent.

Fatented Jan. 9, 1906.

Application filed February 6, 1905. Serial No. 244,458.

To all whom it may concern:

Be it known that Lll'nnnr (J. HOLLOWAY. a citizen of the United States, residing at Gilroy, in the countyol' Santa Clara and. State of California, have invented new and useful Improvements in InternalCombustion Engines, of which the following is a specification.

My invention relates to improvements in that class of engines known as explosion or internal-combustion engines.

It consists in a means for contrell ing the explosion or expansion of an impelling medium between an independent explosion or expansion chamber and the cylinder within which the piston travels.

It also comprises a combination of mechanism and details of construction, which will be more fully explained by reference to the accompanying drawings, in which Figure 1 is a. section through my engine. Fig. 2 is a section through combustion-chamber.

It is the object of my invention to obtain a more perfect control for that class of engines which are known as iete nal-combustion or explosion engines and in which the exand in providing connection between said.

chamber and the cylinder with a means for corltrolling this connection, and thus regulating the speed and power of the engine.

I have here illustrated my invention as applied to what is known as a two-cycle en gins; but it will be manifest that it may also be applied to other forms of this class of cngins.

As shown in the drawings, A is the cylinder, having the water-jacket B, or, it preferred, it may be air-cooled in the usual or well-known manner. Within the cylinder A the piston 2 is fitted with suitable packingrings, and the piston-rod 3 connects it with a slide A, movable in guides, as at 5.. The connecting-rod 6 extends between the slide and the crank-pin, as at 7, and through this crank motion is transmitted to the shalt, at 8. I

- is cont-rolled by a valve, as at 19.

into the cylinder from a valve-chamber l1, and 152 is an inwardly-opening valve seating on the inside of the chamber 11 and normally closed by a spring, as at 13. movement of the piston will draw a charge of the combustible vapor through the passage ill and into the cylinder, the vacuum caused by the upward movement of the piston being suliicicnt to open the valve 12 against its springpressure. The chamber 11 is con,- nccted with any suitable carbureter or source of supply. (Not here shown.) Upon the op posits side of the cylinder, and contiguous to the lower head thereof, is a passage 14; controlled by an outwardly opening springpressed alve 15, which yields to the pressure of the gas and automatically opens to admit the gas into a-chamber 16 located upon that side.

The operation thus far is similar to that of a two-cycle engine, the upward movement of the piston 2 drawing in a charge'th rough the automatically-operated inlet-valve and compressing said charge through the outlet-valve 15 into the chamber 16.

From the chamber 16 a passage opens into the colrilmstion-chambcr l8, and this passage This valve The upward opens into the chamber 18 and is a mcchanicall vactuatcd valvc having a stem, at 20, the lower end of which is in line to be operated by the action of a cam 21, carried upon the shaft 22, which shaft is so located as to be driven from the engine-shaft 8 by intermediate gears and at such rate of speed as will coincide with the movements of the engine. Thus when the engine is in operation the charges of gas compressed into the chamber is are admitted into the con'ibustion-chamher 18 by the lifting of the valve 19, and as this valvc closes outwardly it will not be opened by the subsequent combustion and expansion of gas within the chamber 18. After the combustion and utilization of the gas within this chamber the waste products are expelled through an exhaust-valve, 'at 23, opening outwardly from the chamber and also actuated at the proper time by a cam upon the cam-shaft similar to that shown at 21.

Between the chamber-l8 and the upper and able ignition device may be usedconnected with the chamber lSaud not here shown.

In order to control the action of the engine, I have shown a valve, as at 25, located between the chamber 18and the working end of the cylinder, and this valve may be connected with any suitable opcratingdever or equivalent device, so that the amount oi expended gas and consequent pressure upon the piston may be regulated and the power and speed'of the engine thus controlled.

It willhe understood that the combustionchamber 18 will be sufii'ciently strong to resist any internal pressure which may occur from the explosions within the chamber, and

es the limit of such pressure can be eusilydetermined when the initial compression within the chamber is known it will not be d'ifficult to provide the necessary strength. Q Having thus described my invention, what I claim, and desire to secure by Letters Patcut, is

1.. An internal-combustion engine comprising'a cylinder closed at both ends, a piston,

a, piston-rod extending through the stufingbox in one head, connecting with the crosshe'ad and crank-shaft, inlet and outlet passages conti uous to the lower cylinder-head, automatically-operating valves by which gas is ad mitted to the cylinder and transmitted therefrom, said valves operated by and during the movement of the single power-piston, a receiver for the compressed gaaan independent combustion chamber intermediate between said receiver and the cylinder, and a valve controlling the transmission of gas from the receiver to the combustion-chamber.

2; An internal-combustion engine, comprising a cylinder having passages at opposite sides, a piston reciprocating in said cylinder, automatically controlled inlet and outlet valves through which the impelling medium is transmitted by the movement of the piston, a receiver and a combustion-chamber above the same with a valve between the two and operating in a plane parallel with ti a valve-controlled opening between the DbllSiilOD-Cl'lfifilbQ-I audthe working end of cylinder.

In an internal-combustion engine, a cyli: er, pistonat opposite sides of the inner end of the cylinder said passages piston,

being essentially in line, automatically-operatvalves through which the impelling medium is first drawn into the cylinder and then;

compressed and forced out, a receiving-chamher at one side of cylinder and. into which the compressed gas passes, a combustion -chamher at one side of the, cylinder and in line with the receiver and connecting with the receiver, and a-mechanicallvoperated valve movable in a plane parallel with the piston and through which the compressed gas is admitted to the combustion-chamber, a passage between the.combustioircharnber and the working end of the cylinder, and amanually-operated valve controlling said passage.

4. In an internal-combustion engine, 9. cylinder with reciprocating piston, inlet and outlet valves communicating with opposite sides of the lower end of the cylinder, a receiver on the outside of the cylinder and into which the impelling medium is compressed by thereciprocations of the engine-piston and the opening of said valves, a combustion-chamber on the outside of the cylinder in line with the re ceiver and intermediate between the receiver and the working ,end of the cylinder, a mechanically-operating valve through which the compressed gas is delivered to the combustion chamber, a portopening from the combustionchamber into the workingend of the cylinder a valve controlling the passage through scio port and a mechanically actuated. exhaust valve connecting with the comlmsticn-chamber.

In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses;

HENRY G. HOLLOWAY.

Witnesses:

WALTER Gr. FITZGERALD,

E. F. ROGERS. 

